┌──────────── Escherichia coli ETEC H10407 (1)  
                                 ┌┴──────────── Escherichia coli (22-487/487) 1044A (27)  
                                ┌┴─ Escherichia coli K12 (55)  
                               ┌┴┬──────────────────────── Escherichia coli ED1a (1)  
                              ┌┤ └──────────── Escherichia coli IAI39 (1)  
                              │└───────────┬─ Escherichia coli (24-489/489) APEC O1 (1)  
┌─────────────────────────────┤            └─ Escherichia coli (22-487/487) 042 (11)  
│                             └──────────── Escherichia coli 536 (3)  
┤                  ┌─ Escherichia coli (24-489/489) 042 (1)  
│                  │              ┌─ Escherichia coli K12 (61)  
└──────────────────┤             ┌┴──────────── Escherichia coli 53638 (1)  
                   │            ┌┴──────────── Escherichia coli O157:H7 str. EC4401 (1)  
                   │           ┌┴──────────── Escherichia coli IAI39 (1)  
                   └───────────┤                        ┌──────────── Escherichia coli FVEC1412 (1)  
                               │            ┌───────────┴─ Escherichia coli HS (1)  
                               └┬───────────┴─ Escherichia coli 2362-75 (7)  
                                └───────────┬─ Escherichia coli O83:H1 str. NRG 857C   
                                            └───────────┬──────────── Escherichia coli WV_060327   
                                                        └─ Escherichia coli ABU 83972 (10)  
  

  
Glutamate decarboxylase (EC 4.1.1.15)
 (19)